package com.piao.springbootunifiedresult.common.Result;

import io.swagger.annotations.ApiModel;
import io.swagger.annotations.ApiModelProperty;
import lombok.Data;

import java.util.HashMap;
import java.util.Map;

@Data
@ApiModel(value = "全局统一返回结果")
public class R {

    @ApiModelProperty(value = "是否成功")
    private Boolean success;

    @ApiModelProperty(value = "返回码")
    private Integer code;

    @ApiModelProperty(value = "返回消息")
    private String message;

    @ApiModelProperty(value = "返回数据")
    private Map<String, Object> data = new HashMap<String, Object>();

    // 构造器私有
    private R(){}

    // 通用返回成功
    public static R ok(){
        R r = new R();
        r.setSuccess(ResultCodeEnum.SUCCESS.getSuccess());
        r.setCode(ResultCodeEnum.SUCCESS.getCode());
        r.setMessage(ResultCodeEnum.SUCCESS.getMessage());
        return r;
    }

    // 通用返回失败，未知错误
    public static R error(){
        R r = new R();
        r.setSuccess(ResultCodeEnum.UNKNOWN_REASON.getSuccess());
        r.setCode(ResultCodeEnum.UNKNOWN_REASON.getCode());
        r.setMessage(ResultCodeEnum.UNKNOWN_REASON.getMessage());
        return r;
    }

    // 设置结果，形参为结果枚举
    public static R setResult(ResultCodeEnum resultCodeEnum){
        R r = new R();
        r.setSuccess(resultCodeEnum.getSuccess());
        r.setCode(resultCodeEnum.getCode());
        r.setMessage(resultCodeEnum.getMessage());
        return r;
    }


    /**------------使用链式编程，返回类本身-----------**/

    // 自定义返回结果
    public R success(Boolean success){
        this.setSuccess(success);
        return this;
    }

    // 自定义状态信息
    public R message(String message){
        this.setMessage(message);
        return this;
    }

    // 自定义状态码
    public R code(Integer code){
        this.setCode(code);
        return this;
    }

    // 自定义返回数据
    public R data(String key, Object value){
        this.data.put(key, value);
        return this;
    }

    // 通用设置data
    public R data(Map<String, Object> map){
        this.setData(map);
        return this;
    }
}